/*
    This is a set of libraries to assist in OpenGl and Other Applications
    Copyright (C) 2008  The Modular Engine Team

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HUDSCROLLBAR_H
#define HUDSCROLLBAR_H
#include "HUDModule.h"
#include "HUDElement.h"
#include "OpenglModule.h"

namespace ModularEngine
{
	class CLASSDECL HUDScrollbar : public HUDElement
	{
	protected:
		// The height of the content this is referring to
		// If content height is less than the dimensions
		// There's no reason to draw the scrollbar
		// except aesthetically
	public:
		int mContentHeight;

	protected:

		// How far down, vertically we should scroll
		int mScroll;

		// Height of the scroll bar
		int mScrollHeight;

		// Initial Mouse Position
		Vector2d mMouseInitial;

		bool mbUp;
		bool mbDown;

	public:
		HUDScrollbar();
		~HUDScrollbar();

		int initialize();
		void draw();

		void setContentHeight( int nHeight );

		int getScroll();
		void setScroll( int nValue );

		void mouseInput( Vector2d vPos, UINT nDown );
		void keyboardInput( UINT nKey );

	};
}

#endif
